Ehlers-Danlos syndrome.
D055598:Chemical Phenomena; D002621:Chemistry; D003094:Collagen; D004535:Ehlers-Danlos Syndrome / Q000473:pathology*; D006652:Histological Techniques; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006909:Hydroxyproline; D066298:In Vitro Techniques; D012867:Skin / Q000473:pathology*
D003094:Collagen; D006909:Hydroxyproline